Control Functions; Control Scheme - S&P CADB/T-N PRO-REG Instrucciones De Uso

8. CONTROL FUNCTIONS

FUNCTION
1 Temperature regulation
2 Manual selection of speed: preset speed (slow/medium/
high)
3 Automatic management of the fan speed by CO
HR sensors. VAV operation
4 Automatic fans speed control in CAV mode. Fan speed will
adjust as fi lters become dirty
5 Automatic fans speed control in COP mode. Fan speed will
adjust to maintain a constant pressure in the duct system
6 Booster: Fans at maximum speed during a predefi ned time
7 Weekly programs
8 Remote control On/Off by digital contact
9 By-pass automatic management
10 Exchanger frost prevention
11 Management of electrical post-heating. Proportional mode
12 Management of water coil post-heating. Proportional mode
13 Unit status and alarms displayed in touch screen
14 Monitoring of the state fouling of the fi lters via differential
pressure switches
15 Individual indications for the clogging of the supply and
extraction air fi lter
16 Monitoring of the state of the fans
17 Communication Modbus RTU

9. CONTROL SCHEME

D Version with By-pass
Accessory
Only versions with postheating batteries
or Requires the sensor accessory
2
Requires the pressure sensor accessory
Requires the pressure sensor accessory
TDP-S (1 or 2 units depending if the control
circuit is the supply/extraction or both) The activation of this function should be
performed by external contact
The activation of this function should be
performed by external contact.
It is necessary the 3 way valve
Pressure switches mounted
48
COMMENTS
incorporated (-DI/-DC)
SCO2-G 0-10V
SCO2-A 0-10V
TDP-S (2 units)
3WV...PROP 24V
inside the unit